Extra sub-Doppler lines in the vicinity of the third-resonance 6S-8Ptransition of atomic Cs attributed to optically induced Cs dimers | Zendy

Thierry Passerat de Silans | Zendy; Isabelle Maurin | Zendy; Athanasios Laliotis | Zendy; P. Chaves de Souza Segundo | Zendy; Daniel Bloch | Zendy

Open Access

Extra sub-Doppler lines in the vicinity of the third-resonance 6S-8Ptransition of atomic Cs attributed to optically induced Cs dimers

Author(s) -

Thierry Passerat de Silans,

Isabelle Maurin,

Athanasios Laliotis,

P. Chaves de Souza Segundo,

Daniel Bloch

Publication year - 2011

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.83.043402

Subject(s) - lambda , physics , resonance (particle physics) , doppler effect , atomic physics , excitation , spectral line , spectroscopy , atom (system on chip) , optics , quantum mechanics , computer science , embedded system

International audienceWe report on the observation of extra sub-Doppler lines in a saturated absorption experiment when exploring the vicinity of the 6S1/2 8P3/2 transition of Cs ( = 388 nm). These extra lines are observed only under a relatively strong irradiation of both the pump and the probe beams. Extra narrow lines are also observed in co-propagating nonlinear spectroscopy, and around the lines of the V-type three-level system 8P3/2 - 6S1/2 - 8P1/2 (1 = 388 nm, 2 = 389 nm). We attribute theses extra-lines to a probing of high-lying molecular caesium, produced as a result of the optical excitation of Cs atoms, as the low Cs atom density ( 1012cm-3) is unable to populate significantly the dimer states in the condition of thermal equilibrium

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